JSME International Journal Series B Fluids and Thermal Engineering
Online ISSN : 1347-5371
Print ISSN : 1340-8054
ISSN-L : 1340-8054
Crystal Growth
Measurement of Transient Double Diffusive Convection and Crystal Growth Using Real-Time Phase-Shifting Interferometer
Shigenao MARUYAMAKiyohiro TAKAHASHIAtsuki KOMIYAMasud BEHNIA
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2001 Volume 44 Issue 4 Pages 561-567

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Abstract

In the process of growing crystals in solutions, double diffusive convection due to thermal and solutal gradients occurs. A measurement system comprising a rapid heat-transfer control system and an accurate real-time phase-shifting interferometer has been developed to investigate the transient double diffusive convection. The heat-transfer control system has a small test-cell in which the liquid temperature is controlled by non-equilibrium thermoelectric devices. In-situ measurement of the transient double diffusive convection and crystal growth rates of NaClO3 are carried out by using this system. Transient double diffusive fields are observed directly and clearly. The crystal growth rates in the present experiments show similar tendencies to the data of microgravity experiments.

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© 2001 by The Japan Society of Mechanical Engineers
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